Why it works: Sugar and cream are a kitchen classic. They rank in the top 9% of all ingredient pairs, and cooks put them together in 43,450 recipes. Both carry 2,3-butanedione, which smells butter, sweet. The science ↓
Sponge Drops
Ingredients
Directions
The book says “a very quick oven”. The 400°F (200°C) in the steps is the modern equivalent, not the book's own figure.
Make the batter
Beat the eggs and sugar until frothy.
Stir in the flour, cream of tartar, and baking soda.
Add the lemon flavoring.
Bake and serve
Drop teaspoonfuls of the mixture about three inches apart on a baking sheet.
Bake in a very hot oven at 400°F (200°C) until golden, watching closely to prevent burning.
Serve with ice cream.
Transcribed from a scanned cookbook and modernised for today's kitchens. Where the book gave no heat or time, or said "a moderate oven", the temperatures and times here may be modern equivalents rather than the book's own figures.
Explore the science
The flavor team
The pairs that carry this dish. Each one is judged two ways: how much their aromas overlap, and how often cooks already put them together.
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Sugar + creamtop 9% of all pairsSmell alikemoderateCooked together43,450 recipes
Shared aroma: 2,3-butanedione (butter, sweet).
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Sugar + flourtop 15% of all pairsSmell alikemoderateCooked together92,116 recipes
Shared aroma: phenylacetaldehyde (hawthorne, honey).
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Egg + flourtop 15% of all pairsSmell alikelowCooked together106,462 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Flour + lemontop 17% of all pairsSmell alikemoderateCooked together30,404 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Coffee + creamtop 17% of all pairsSmell alikelowCooked together2,339 recipes
Shared aroma: 2-heptanol (bitter, floral).
Egg and flour barely smell alike, yet cooks put them together in 106,462 recipes: they work on texture and structure more than aroma.
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Eggs
- Whipped with sugar, they trap air that gives the drops their light, airy structure.
- Sugar
- Whipped with the eggs to help stabilise foam and add sweetness and browning.
- Flour
- Provides the structure that holds the drops together as the eggs set.
- Cream of tartar
- Acidifies the batter, stabilising the egg foam and helping it stay airy.
- Baking soda
- Reacts with the acid in the batter to release gas, helping the drops rise.
The step that matters
Watching the bake. The drops are small and sugary, so they brown quickly in a very hot oven. Checking closely prevents burning before the centres are set and cooked through.
Swap the lemon
How well each one fits the dish's main ingredients (egg, sugar, coffee, flour, cream):
- Vanillafits better
- Raisinfits better
- Figfits better
- Lemonthe original
Fit is the average pairing score against egg, sugar, coffee, flour, cream. Candidates are from the same food group and used in at least 100 recipes.
“What each ingredient does” and “The step that matters” were written by Claude from this recipe’s own method and reviewed in samples by CompKitchen.
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